You searched for: Collection University of Michigan Herbarium Catalog Collection Remove constraint Collection: University of Michigan Herbarium Catalog Collection Place Beside small slought lake at mi. 39 of Mattawin Rd. 10 km. E. of Burchell L. Rd. Remove constraint Place: Beside small slought lake at mi. 39 of Mattawin Rd. 10 km. E. of Burchell L. Rd.